1) I have no problem if MO would give money to Yishivas knowing that they connect to Hashem through the Torah in the process. This is what Litvish Baal Batim do. The issue is that they don’t have these specific Kavanos when they give money.
4) I meant that the concept of Emunas Chachamim goes hand in hand with the concept of Deveikus. If you really believe that your Rebbe/Rosh Yeshiva is connected to Hashem through his Torah learning and spiritually higher than yourself, then you will naturally be inclined to listen and follow his advice even if you don’t understand it well.
5) This has nothing to do with texting on Shabbos. MO believe in Halacha but they do not necessarly believe in many Midrashim and Agaddah, as they question if it’s really Toras Moshe.
BTW, RSRH was vehemently against Modern Orthodoxy.